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Date: 2007-02-27 13:53:48Extinction Mastodon Petaluma California San Francisco Bay Area Mammoth Great Plains Sonoma Valley Santa Rosa California Pleistocene extinctions Geography of California Physical geography | A Rancholabrean Seasonal Round,Add to Reading ListSource URL: www.parks.ca.govDownload Document from Source WebsiteFile Size: 283,74 KBShare Document on Facebook |